| Jul 13, 2026 | Butkiewicz | 0–1 | Obrycki | Blitz C16 | Queen's Indian Defense: Capablanca Variation | |
| Jul 13, 2026 | Rosol | ½–½ | Butkiewicz | Blitz C16 | Queen's Gambit Declined: Charousek Variation | |
| Jul 13, 2026 | Butkiewicz | 1–0 | Klim | Blitz C16 | Queen's Gambit Declined: Cambridge Springs Defense | |
| Jul 13, 2026 | Butkiewicz | 1–0 | Lechowski | Blitz C16 | Queen's Gambit Declined: Harrwitz Attack | |
| Jul 13, 2026 | Brzezina | 1–0 | Butkiewicz | Blitz C16 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 13, 2026 | Moczulski | 0–1 | Butkiewicz | Blitz C16 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 13, 2026 | Butkiewicz | 1–0 | Gorecki | Blitz C16 | King's Indian Attack: Symmetrical Defense | |
| Jul 13, 2026 | Kraczek | ½–½ | Butkiewicz | Blitz C16 | Rapport-Jobava System | |
| Jul 13, 2026 | Wesolowski | 0–1 | Butkiewicz | Blitz C16 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jul 13, 2026 | Butkiewicz | 1–0 | Czuchryta | Blitz C16 | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | |
| Jul 13, 2026 | Oberc | 0–1 | Butkiewicz | Blitz C16 | Nimzo-Larsen Attack: Classical Variation | |
| Jul 13, 2026 | Butkiewicz | 1–0 | Greszta | Blitz C16 | Slav Defense: Three Knights Variation | |
| Jul 12, 2026 | Brzezina | ½–½ | Butkiewicz | Rapid C16 | Catalan Opening: Closed | |
| Jul 12, 2026 | Butkiewicz | 1–0 | Majcher | Rapid C16 | Queen's Pawn Game | |
| Jul 12, 2026 | Butkiewicz | ½–½ | Niezhentsev | Rapid C16 | Grünfeld Defense: Three Knights Variation, Hungarian Variation | |
| Jul 12, 2026 | Rozanski | 0–1 | Butkiewicz | Rapid C16 | Sicilian Defense: Closed, Traditional | |
| Jul 11, 2026 | Butkiewicz | 1–0 | Satola | Rapid C16 | King's Indian Defense: Orthodox Variation | |
| Jul 11, 2026 | Biela | 0–1 | Butkiewicz | Rapid C16 | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jul 11, 2026 | Butkiewicz | ½–½ | Lesik | Rapid C16 | Indian Defense: Anti-Nimzo-Indian | |
| Jul 11, 2026 | Wozniak | ½–½ | Butkiewicz | Rapid C16 | Sicilian Defense: Hyperaccelerated Dragon | |
| Jul 10, 2026 | Butkiewicz | 0–1 | Cieslak | Blitz C16 | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Jul 10, 2026 | Cieslak | 1–0 | Butkiewicz | Rapid C16 | French Defense: Knight Variation | |
| Jul 9, 2026 | Kania | ½–½ | Butkiewicz | rzeszow | Rapport-Jobava System, with e6 | |
| Jul 9, 2026 | Butkiewicz | 0–1 | Kania | rzeszow | Zukertort Opening: Sicilian Invitation | |
| Jul 9, 2026 | Balint | 1–0 | Butkiewicz | rzeszow | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jul 9, 2026 | Butkiewicz | ½–½ | Balint | rzeszow | Benoni Defense: Classical Variation, Czerniak Defense, Tal Line | |
| Jul 9, 2026 | Magi | 0–1 | Butkiewicz | rzeszow | Bogo-Indian Defense: Retreat Variation | |
| Jul 9, 2026 | Butkiewicz | * | Magi | rzeszow | Zukertort Opening: Reversed Grünfeld | |
| Jul 9, 2026 | Lehocz | 1–0 | Butkiewicz | rzeszow | Sicilian Defense: Hyperaccelerated Dragon | |
| Jul 9, 2026 | Butkiewicz | ½–½ | Lehocz | rzeszow | Queen's Pawn Game: Krause Variation | |
| Jul 9, 2026 | Perucki | ½–½ | Butkiewicz | rzeszow | Sicilian Defense: Czerniak Attack | |
| Jul 9, 2026 | Butkiewicz | * | Perucki | rzeszow | Queen's Gambit Declined: Harrwitz Attack, Orthodox Defense | |
| Jul 9, 2026 | Gorecki | ½–½ | Butkiewicz | rzeszow | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 9, 2026 | Butkiewicz | 0–1 | Gorecki | rzeszow | King's Indian Attack: Symmetrical Defense | |
| Jul 8, 2026 | Sobol | 1–0 | Butkiewicz | rzeszow | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jul 8, 2026 | Butkiewicz | ½–½ | Brzezina | rzeszow | Bogo-Indian Defense: Grünfeld Variation | |
| Jul 7, 2026 | Sowinski | 1–0 | Butkiewicz | rzeszow | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jun 6, 2026 | Remizowicz | 0–1 | Butkiewicz | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIORÓW DO LAT 16 | Sicilian Defense: Mengarini Variation | |
| Jun 6, 2026 | Butkiewicz | 1–0 | Klimuszko | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIORÓW DO LAT 16 | Zukertort Opening: Sicilian Invitation | |
| Jun 6, 2026 | Rolek | 0–1 | Butkiewicz | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIORÓW DO LAT 16 | Grünfeld Defense: Exchange Variation, Spassky Variation | |
| Jun 5, 2026 | Butkiewicz | 1–0 | Lawrynowicz | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIORÓW DO LAT 16 | Queen's Pawn Game: London System | |
| Jun 5, 2026 | Choinski | 0–1 | Butkiewicz | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIORÓW DO LAT 16 | Trompowsky Attack | |
| Jun 5, 2026 | Butkiewicz | 1–0 | Orlowski | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIORÓW DO LAT 16 | Queen's Gambit Declined: Queen's Knight Variation | |
| Jun 1, 2026 | Butkiewicz | ½–½ | Raczkiewicz | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIORÓW DO LAT 16 | Réti Opening | |
| May 29, 2026 | Witczak | 0–1 | Butkiewicz | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | French Defense: Tarrasch Variation, Chistyakov Defense | |
| May 28, 2026 | Butkiewicz | 0–1 | Skrzypinski | DMPJ - I Liga 2026 | King's Indian Defense: Orthodox Variation, Positional Defense | |
| May 27, 2026 | Gruca | 1–0 | Butkiewicz | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| May 26, 2026 | Butkiewicz | 1–0 | Wites | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line | |
| May 25, 2026 | Butkiewicz | 1–0 | Wieteska | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Queen's Pawn Game: London System | |
| May 24, 2026 | Moroz | 0–1 | Butkiewicz | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: Staunton-Cochrane Variation | |
| May 23, 2026 | Butkiewicz | 1–0 | Hlubek | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Zukertort Opening | |
| May 22, 2026 | Demianenko | 0–1 | Butkiewicz | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Queen's Gambit Declined | |
| May 21, 2026 | Butkiewicz | 1–0 | Staniczek | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | English Opening: Agincourt Defense | |
| Mar 13, 2026 | Butkiewicz | 1–0 | Majcher | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Indian Defense: London System | |
| Mar 12, 2026 | Obrycki | ½–½ | Butkiewicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | King's Indian Attack | |
| Mar 11, 2026 | Butkiewicz | ½–½ | Haladaj | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Mar 9, 2026 | Butkiewicz | 1–0 | Dziuba | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | King's Indian Attack: Symmetrical Defense | |
| Mar 8, 2026 | Pawleta | 0–1 | Butkiewicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Queen's Gambit Declined: Three Knights Variation | |
| Mar 7, 2026 | Suska | ½–½ | Butkiewicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | King's Indian Attack | |
| Mar 7, 2026 | Butkiewicz | 1–0 | Rajlich | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Catalan Opening: Closed | |
| Mar 7, 2026 | Niezhentsev | 1–0 | Butkiewicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | French Defense: Tarrasch Variation, Chistyakov Defense, Modern Line | |
| Mar 7, 2026 | Butkiewicz | 1–0 | Brzezina | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Grünfeld Defense: Brinckmann Attack | |
| Jan 11, 2026 | Butkiewicz | 1–0 | Sawicki | Round 9: Butkiewicz, Jan - Sawicki, Dorian | Queen's Gambit Declined: Harrwitz Attack | |
| Jan 11, 2026 | Businski | ½–½ | Butkiewicz | Round 8: Businski, Jan - Butkiewicz, Jan | Queen's Pawn Game: Symmetrical Variation | |
| Jan 11, 2026 | Butkiewicz | 1–0 | Minkiewicz | Round 7: Butkiewicz, Jan - Minkiewicz, Filip | Bogo-Indian Defense: Grünfeld Variation | |
| Jan 11, 2026 | Kotarski | 1–0 | Butkiewicz | Round 6: Kotarski, Bartosz - Butkiewicz, Jan | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jan 11, 2026 | Butkiewicz | 1–0 | Jaroch | Round 4: Butkiewicz, Jan - Jaroch, Pawel | Benko Gambit Accepted: Modern Variation | |
| Jan 11, 2026 | Chiszko | 0–1 | Butkiewicz | Round 3: Chiszko, Oskar - Butkiewicz, Jan | Queen's Pawn Game: Zukertort Variation | |
| Jan 11, 2026 | Butkiewicz | 1–0 | Masiewicz | Round 2: Butkiewicz, Jan - Masiewicz, Kacper | Slav Defense: Three Knights Variation | |
| Jan 11, 2026 | Klimuszko | 0–1 | Butkiewicz | Round 1: Klimuszko, Tomasz - Butkiewicz, Jan | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Dec 31, 2025 | Butkiewicz | 0–1 | Karolczuk | Round 5: Butkiewicz, Jan - Karolczuk, Iwo | Queen's Pawn Game | |
| Dec 30, 2025 | Butkiewicz | ½–½ | Przybylski | Runda 9: Butkiewicz, Jan - Przybylski, Jan | King's Indian Attack | |
| Dec 30, 2025 | Haladaj | ½–½ | Butkiewicz | Runda 8: Haladaj, Adam - Butkiewicz, Jan | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Dec 30, 2025 | Butkiewicz | ½–½ | Kaczmarek | Runda 7: Butkiewicz, Jan - Kaczmarek, Arkadiusz | Queen's Gambit Declined: Modern Variation, Knight Defense | |
| Dec 29, 2025 | Paprocki | ½–½ | Butkiewicz | Runda 6: Paprocki, Jaroslaw - Butkiewicz, Jan | Queen's Gambit Declined: Ragozin Defense | |
| Dec 29, 2025 | Butkiewicz | 0–1 | Jakubowski | Runda 5: Butkiewicz, Jan - Jakubowski, Krzysztof | Bogo-Indian Defense: Grünfeld Variation | |
| Dec 28, 2025 | Turski | 1–0 | Butkiewicz | Runda 4: Turski, Bartlomiej - Butkiewicz, Jan | French Defense: Winawer Variation, Advance Variation | |
| Dec 27, 2025 | Butkiewicz | ½–½ | Niedbala | Runda 3: Butkiewicz, Jan - Niedbala, Bartlomiej | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Dec 27, 2025 | Butkiewicz | ½–½ | Pidluznij | Runda 2: Butkiewicz, Jan - Pidluznij, Gleb | Queen's Gambit Declined: Austrian Defense, Haberditz Variation | |
| Dec 27, 2025 | Wites | 0–1 | Butkiewicz | Runda 1: Wites, Adam - Butkiewicz, Jan | French Defense: Winawer Variation, Advance Variation | |
| Jun 26, 2025 | Butkiewicz | 1–0 | Baran | II DMP Juniorow | Zukertort Opening | |
| Jun 25, 2025 | Zenker | 0–1 | Butkiewicz | II DMP Juniorow | Nimzo-Indian Defense: Classical Variation, Vitolins-Adorjan Gambit | |
| Jun 24, 2025 | Butkiewicz | 1–0 | Zaglowek | II DMP Juniorow | King's Indian Attack | |
| Jun 23, 2025 | Penar | 0–1 | Butkiewicz | II DMP Juniorow | Queen's Pawn Game: Colle System | |
| Jun 22, 2025 | Slys | 0–1 | Butkiewicz | II DMP Juniorow | Zukertort Opening: Sicilian Invitation | |
| Jun 21, 2025 | Butkiewicz | 1–0 | Klisowski | II DMP Juniorow | Blumenfeld Countergambit Accepted | |
| Jun 20, 2025 | Gruca | 0–1 | Butkiewicz | II DMP Juniorow | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jun 19, 2025 | Butkiewicz | 1–0 | Baran | II DMP Juniorow | Grünfeld Defense: Exchange Variation | |
| Jun 18, 2025 | Butkiewicz | 0–1 | Brudnicki | II DMP Juniorow | Grünfeld Defense: Exchange Variation, Sokolsky Variation | |
| Aug 25, 2024 | Butkiewicz | ½–½ | Liskiewicz | rubinstein24-a1 | Benoni Defense: Classical Variation, Czerniak Defense | |
| Aug 24, 2024 | Butkiewicz | 1–0 | Engesser | rubinstein24-a1 | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Aug 23, 2024 | Pietruszewski | ½–½ | Butkiewicz | rubinstein24-a1 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Aug 22, 2024 | Butkiewicz | 0–1 | Dhananjay S | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | Kangaroo Defense | |
| Aug 21, 2024 | Dahale | 0–1 | Butkiewicz | rubinstein24-a1 | Queen's Gambit Accepted: Classical Defense | |
| Aug 20, 2024 | Butkiewicz | 1–0 | Zerebiec | rubinstein24-a1 | Bogo-Indian Defense: Grünfeld Variation | |
| Aug 19, 2024 | Starosciak | 0–1 | Butkiewicz | rubinstein24-a1 | Réti Opening: Reversed Blumenfeld Gambit | |
| Aug 18, 2024 | Butkiewicz | ½–½ | Wandor | rubinstein24-a1 | Bogo-Indian Defense: Grünfeld Variation | |
| Aug 17, 2024 | Karut | 1–0 | Butkiewicz | rubinstein24-a1 | Sicilian Defense: Four Knights Variation | |
| Aug 3, 2024 | Butkiewicz | ½–½ | Majcher | Rapid C14 | Benko Gambit Accepted: Modern Variation | |
| Aug 3, 2024 | Butkiewicz | 1–0 | Niesyt | Rapid C14 | English Defense | |